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b) Kompyuter internet tarmogi
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| bet | 6/27 | | Sana | 12.01.2024 | | Hajmi | 82,83 Kb. | | #135867 |
Bog'liq Diskda saqlanadigan fayllar katologi-fayllar.orgb) Kompyuter internet tarmogi
c) Mendeleyev jadvali
Malumotlar bazasi
d) Oilaning genalogik daraxti
#27===========================================================
Malumotlar bazasini boshqarish tizimidagi kompilyator DDL moduli nima ish bajaradi
a) Diskdagi malumotlar bilan foydalanuvchi dasturi va sistemaning sorovi ortasidagi
interfaseni aniqlaydi
b) Fayllarni ochiradi
c) Malumotlar tuzilmasi bilan disklar ortasidagi boglanishni boshqaradi
d) Malumotlar bazasi tilini, uning tuzilmasini va tashqi xotiralardagi axborot turini
aniqlaydi
#28===========================================================
UNION JOIN
a) Kalit so’zi majburiy emas,uni yozmasa ham boladigan jarayon
b) Tutashtirishda ichki tutashtirishga teskari bo’lgan holat
c) O’ng tashqi tutashtirish turi
d) Toliq tashqi tutashtirish turi
#29==========================================================
CREATE USER operatori nima vazifa bajaradi
a) Bunday operator yo’q
b) Rol yaratish
c) Yangi foydalanuvchi yaratish
d) Yangi jadval yaratish
#30==========================================================
Quyidagi keltirilganlardan OBEKT berilganlar turi keltirilgan qatorni aniqlang
a) FLOAT,REAL
b) CHLOB,BLOB
c) NUMERIC,DECIM
d) DATA,TIME
#31=========================================================
HAVING standart so’zidan qanday vaqtda foydalanishimiz mumkin?
a) Jadvaldagi malumotlar oshib ketishida
Malumotlar bazasi
b) Ifodaning qiymati NULL bo’lganda
c) Guruhlangan ustundan shartlar asosida natija olishda
d) Guruhlangan satrdan shartlar asosida natija olishda
#32=============================================================
Hisobot bu………………..
a) Natijalar aks etgan qog’ozli xujjat
b) Natijalar korinishi
c) Hujjatlar toplami
d) Word dasturi
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